A comprehensive open-source 3D software suite for modeling, UV unwrapping, texturing, rigging, and animating. It supports renderings, simulations including fluid and cloth dynamics, complex compositing, video editing, and Python scripting, running across all major operating systems.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- Flathub
- PortableApps.com
- Haiku
- Steam
- Flatpak
- Snapcraft




Blender is the most popular Windows, Mac & Linux alternative to Spline.
Blender is the most popular Open Source & free alternative to Spline.
- Blender is Free and Open Source
- Blender is Customizable and Privacy focused

















Spline is specifically designed to put WebGL scenes into websites. Cinema 4D is a standalone desktop 3D modeling software.